Brian Grassadonia

Ecosystem Lead

Brian Grassadonia (Ecosystem Lead) filed 10 Form 4 reports in the trailing twelve months (0 purchases, 10 sales), most often in Block, Inc. (XYZ). The largest single filing was $3.5M of XYZ (43,348 sh × $80.00, as filed), executed Jul 2.

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Return, ttmiAverage return per filing, trailing twelve months

–

no purchases on file

Delay-adjustediThe same average, entered at disclosure dates

–

returns measure stock purchases only

Filings, ttm

0 buys · 10 sells

Median delay

–

execution → disclosure

Volume, ttmiDollar value disclosed in the trailing twelve months

$11.5M

shares × price, as filed

Last traded

Aug 24

Filed Aug 24

Median ADV $442.4M across their filed names

Open performance→

Volume by month

Buys $0 Sells $15.4M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on

Technology 10 filings

Sector per market data · by filing · past 12 months

Most traded names

XYZ

Block, Inc. XYZ · 0 buys · 15 sells 15 filings SQ SQ SQ · 0 buys · 3 sells 3 filings

Recent filings

XYZSALE Block, Inc. View filing → $2.8M
35,145 sh × $80.00
Exec Oct 8 2025
Filed Oct 10 2025 · 5:30 PM ET XYZSALE Block, Inc. View filing → $229K
3,021 sh across 2 lots
Exec Oct 2 2025
Filed Oct 6 2025 · 5:30 PM ET XYZSALE Block, Inc. View filing → $744K
9,760 sh × $76.24
Exec Sep 2 2025
Filed Sep 4 2025 · 5:30 PM ET XYZSALE Block, Inc. View filing → $473K
6,465 sh × $73.20
Exec Aug 21 2025
Filed Aug 25 2025 · 5:30 PM ET XYZSALE Block, Inc. View filing → $366K
6,494 sh × $56.39
Exec May 21 2025
Filed May 23 2025 · 5:30 PM ET XYZSALE Block, Inc. View filing → $106K
1,885 sh × $56.19
Exec Apr 2 2025
Filed Apr 4 2025 · 5:30 PM ET XYZSALE Block, Inc. View filing → $539K
7,773 sh across 2 lots
Exec Feb 21 2025
Filed Feb 25 2025 · 5:30 PM ET SQSALE Block, Inc. View filing → $379K
4,236 sh across 2 lots
Exec Jan 2 2025
Filed Jan 6 2025 · 5:30 PM ET More filings →